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health & safety topics

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Medical Tests & Exams

Arthrocentesis (Joint Aspiration)

Arthrocentesis (joint aspiratio) involves withdrawing (aspirating) a sample of fluid from a joint using a needle and syringe.


An arthrogram is a test done to look inside a joint for injuries or other problems.

Aspiration and Biopsy: Bone Marrow

A bone marrow aspiration and biopsy are performed to examine bone marrow, the spongy liquid part of the bone where blood cells are made.

Auditory Brainstem Response (ABR) Test

An auditory brainstem response (ABR) test is a safe and painless test that gives health care providers information about possible hearing loss.

Basic Blood Chemistry Tests

Doctors order basic blood chemistry tests to assess a wide range of conditions and the function of organs.


A biobank is a special lab that stores samples donated by patients. Scientists use them to study what causes a sickness or disease and to find treatments.


Doctors order biopsies to examine tissue or cells when they're concerned about a problem such as an infection, inflammation, or cancer.

Blood Culture

A blood culture is a test that looks for germs (such as bacteria or fungi) in the blood.

Blood Test: 17-Hydroxyprogesterone

The 17-hydroxyprogesterone test is mainly used to check for the most common form of the genetic disorder congenital adrenal hyperplasia (CAH) in infants and children.

Blood Test: Alanine Aminotransferase (ALT, or SGPT)

An alanine aminotransferase (ALT) blood test is often part of an initial screening for liver disease.